import requests
from bs4 import BeautifulSoup
if __name__ == "__main__":
    url = 'https://www.shicimingju.com/book/sanguoyanyi.html'
    headers={
        'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.107 Safari/537.36 Edg/92.0.902.55'
    }
    page_text = requests.get(url=url,headers=headers).content.decode('utf-8')

    #在首页中解析出章节的标题和详情页的url
    #1.实例化BeautifulSoup对象，需要将页面源码数据加载到该对象中
    soup = BeautifulSoup(page_text,'html.parser')
    #解析章节标题和详情页的url
    li_list = soup.select('.book-mulu > ul > li')
    fp=open('./sanguo.txt','w',encoding='utf-8')
    for li in li_list:
        title = li.a.string
        detail_url = 'https://www.shicimingju.com'+li.a['href']
        #对详情页发起请求，解析出章节内容
        detail_page_text = requests.get(url=detail_url, headers=headers).content.decode('utf-8')
        #解析出详情页中相关的章节内容
        detail_soup = BeautifulSoup(detail_page_text,'html.parser')
        div_tag = detail_soup.find('div',class_='chapter_content')
        #解析到了章节的内容
        content=div_tag.text
        fp.write(title + ':' + content + '\n' )
        print(title,'爬取成功！！！')
        